Berner 420561, Instruction Manual, Page: 19 / 288

19 Original Instructions
9 Trouble-shooting
Please ensure that you check the following before contacting the BERNER service organization:
Symptom Cause Recommended action
Machine refuses to start Machine not plugged in Plug in machine.
Defective socket Try another socket.
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Defective extension cable Try without the extension cable.
Fluctuating pressure Pump sucking air Check that hoses and connections are air-
tight.
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or stuck distributor.
Pump seals worn out Clean and replace or refer to local BERNER-
distributor.
Motor busses Low voltage or Activate the trigger of the spray handle.
low temperature
Machine stops )XVHKDVEORZQ 5HSODFHIXVH6ZLWFKRႇRWKHUPDFKLQHV
Incorrect mains voltage Check that the mains voltage corresponds
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Thermal sensor activated Leave the washer for 5 minutes to cool
down.
Nozzle partially blocked Clean the nozzle (see section 7.2).
Fuse blows Fuse too small Change to an installation higher than the
amp. consumption of the machine.
You may try without the extension cable.
Machine pulsating $LULQLQOHWKRVHSXPS $OORZPDFKLQHWRUXQZLWKRSHQWULJJHUXQWLO
regular working pressure resumes.
Inadequate supply of Check that the water supply corresponds to
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Nozzle partially blocked Clean the nozzle (see section 7.2).
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Hose kinked Straighten out hose.
Machine often starts Contact your nearest BERNER Service
and stops by itself Centre.
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spray handle.
Machine starts, but 3XPSKRVHVRUDFFHVVRU\ :DLWIRUSXPSKRVHVRUDFFHVVRU\WRWKDZ
no water comes out frozen
No water supply Connect inlet water.
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Nozzle blocked Clean the nozzle (see section 7.2).
Pump pressure drops Button for regulation of Adjust the button to correct working pres-
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correctly adjusted
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